22713078509 has 8 divisors (see below), whose sum is σ = 24794320320. Its totient is φ = 20634572800.

The previous prime is 22713078469. The next prime is 22713078533. The reversal of 22713078509 is 90587031722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22713078509 - 2¹² = 22713074413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22713078509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22713078539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666644 + ... + 699885.

It is an arithmetic number, because the mean of its divisors is an integer number (3099290040).

Almost surely, 2^22713078509 is an apocalyptic number.

It is an amenable number.

22713078509 is a deficient number, since it is larger than the sum of its proper divisors (2081241811).

22713078509 is a wasteful number, since it uses less digits than its factorization.

22713078509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368051.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 22713078509 in words is "twenty-two billion, seven hundred thirteen million, seventy-eight thousand, five hundred nine".